Microwave remediation equipment for organic contaminated soil and remediation method

A technology for organic pollution and soil remediation, which is applied in the restoration of polluted soil, combustion methods, lighting and heating equipment, etc. It can solve the problems of uneven mixing and mixing of remediation agents and soil, complex and changeable pollution conditions, and harsh soil quality requirements. , to achieve good soil remediation effect, fast heating speed, and shortened drying speed.

Pending Publication Date: 2021-12-07
HEBEI YUHUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex and changeable soil texture and pollution status of complex polluted sites, the current in-situ remediation technology and equipment for this type of soil have limited scope of application, harsh soil quality requirements, severe corrosion, and uneven mixing of remediation agents and soil.

Method used

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  • Microwave remediation equipment for organic contaminated soil and remediation method
  • Microwave remediation equipment for organic contaminated soil and remediation method
  • Microwave remediation equipment for organic contaminated soil and remediation method

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Embodiment Construction

[0070] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

[0071] It should be explained that the terms "height", "width", "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings of this application, only It is for ease of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as an illustration of the present invention.

[0072] Microwave remediation technology uses microwaves as a heat source to heat contaminated soil, so that soil pollutants can be volatilized, decomposed or fixed, and the purpose of soil remediation is achieved. Microwaves can not only treat volatile VOCs and SVOCs, but also non-volatile substances...

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Abstract

The invention discloses organic contaminated soil microwave remediation equipment and a remediation method. The organic contaminated soil microwave remediation equipment comprises a microwave soil remediation device and a tail gas microwave catalytic combustion device. The microwave soil remediation device comprises a feeding conveying belt, a material conveyor connected to an outlet of the feeding conveying belt, a microwave reaction cavity formed in the rear end of the material conveyor, a gas collecting pipe fixedly connected to a gas outlet of the microwave reaction cavity and a tail gas microwave catalytic combustion device connected to an outlet of the gas collecting pipe. The microwave soil remediation equipment is continuous microwave soil remediation equipment, and the remediation effect of microwaves on petroleum-contaminated soil under different technological parameters can be conveniently verified. The microwave soil remediation equipment is high in integration level, the microwave power, the rotating speed of the conveying belt and the microwave irradiation time can be controlled, the water content of the contaminated soil and the soil feeding thickness can be adjusted, and therefore the remediation method can achieve a better soil remediation effect.

Description

technical field [0001] The invention relates to the field of soil and groundwater repair, in particular to a microwave repair equipment for organic polluted soil and a repair method thereof. Background technique [0002] There are various forms of compound soil pollution, which can be classified according to the types of pollutants: (1) organic compound pollution, which refers to the coexistence of two or more organic pollutants in the soil; (2) inorganic compound pollution, which refers to the combination of two (3) organic-inorganic composite pollution, which is the environmental pollution phenomenon in which organic pollutants and inorganic pollutants coexist and interact in the environment. [0003] Under the heavy metal / organic compound pollution system, different types of organic matter and heavy metals will interact in the soil, which makes it more difficult to remediate the soil heavy metal / organic compound pollution under the same conditions. In addition, the compr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/06F23G7/07
CPCB09C1/065F23G7/07
Inventor 张优王恒钦孟静娟孙广银袁彦辉宋庆赟郝辉锋张超越
Owner HEBEI YUHUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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